Antenna support bracket



FIG. 1 is a perspective view of an antenna support bracket showing my new design;

FIG. 2 is an end view thereof, the oppostie end view being a mirror image;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design of an antenna support bracket, as shown and described. 